Kafka

This section lists the alerts for Kafka.

KafkaClusterTargetDown KafkaClusterTargetsOutage KafkaInsufficientBrokers KafkaMissingController

KafkaOfflinePartitionsDetected KafkaTooManyControllers KafkaUncleanLeaderElectionOccured KafkaUnderReplicatedPartitions

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KafkaClusterTargetDown

Since 23.3 to replace KafkaClusterTargetsOutage

Severity	Critical
Summary	Kafka cluster Prometheus target down.
Description	Prometheus fails to scrape metrics from the {{ $labels.pod }} Pod of the {{ $labels.cluster }} cluster on the {{ $labels.node }} node.

KafkaClusterTargetsOutage

Replaced with KafkaClusterTargetDown in 23.3

Severity	Critical
Summary	Kafka cluster Prometheus targets outage.
Description	Prometheus fails to scrape metrics from 2/3 of the {{ $labels.cluster }} cluster endpoints (more than 1/10 failed scrapes).

KafkaInsufficientBrokers

Severity	Critical
Summary	Kafka cluster has missing brokers.
Description	The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace has missing brokers.

KafkaMissingController

Severity	Critical
Summary	Kafka cluster controller is missing.
Description	The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace has no controllers.

KafkaOfflinePartitionsDetected

Severity	Critical
Summary	Unavailable partitions in Kafka cluster.
Description	Partitions without a primary replica have been detected in the {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace.

KafkaTooManyControllers

Severity	Critical
Summary	Kafka cluster has too many controllers.
Description	The {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} in namespace has too many controllers.

KafkaUncleanLeaderElectionOccured

Severity	Major
Summary	Unclean Kafka broker was elected as cluster leader.
Description	A Kafka broker that has not finished the replication state has been elected as leader in {{ $labels.cluster }} within the {{ $labels.namespace }} namespace.

KafkaUnderReplicatedPartitions

Severity	Warning
Summary	Kafka cluster has underreplicated partitions.
Description	The topics in the {{ $labels.cluster }} Kafka cluster in the {{ $labels.namespace }} namespace have insufficient replica partitions.